1#
2# menubar sample 3 : vertical layout menubar; use frame and menubuttons
3#
4
5require 'tk'
6
7radio_var = TkVariable.new('y')
8
9menu_spec = [
10  [['&File', true], # when underline option is ture, '&' index is the position
11    {:label=>'Open', :command=>proc{puts('Open clicked')}, :underline=>0},
12    '---',
13    ['Check_A', TkVariable.new(true), 6],
14    {:type=>'checkbutton', :label=>'Check_B',
15                :variable=>TkVariable.new, :underline=>6},
16    '---',
17    ['Radio_X', [radio_var, 'x'], /[XYZ]/, '', {:foreground=>'black'}],
18    ['Radio_Y', [radio_var, 'y'], /[XYZ]/],
19    ['Radio_Z', [radio_var, 'z'], /[XYZ]/], # use Regexp for underline position
20    '---',
21    ['cascade', [
22                   ['sss', proc{p 'sss'}, 0],
23                   ['ttt', proc{p 'ttt'}, 0],
24                   ['uuu', proc{p 'uuu'}, 0],
25                   ['vvv', proc{p 'vvv'}, 0],
26                ],
27      0, '',
28      {:font=>'Courier 16 italic',
29       :menu_config=>{:font=>'Times -18 bold', :foreground=>'black'}}],
30    '---',
31    ['Quit', proc{exit}, 0]],
32
33  [['Edit', 0],
34    ['Cut', proc{puts('Cut clicked')}, 2],
35    ['Copy', proc{puts('Copy clicked')}, 0],
36    ['Paste', proc{puts('Paste clicked')}, 0]],
37
38  [['Help', 0, {:menu_name=>'help'}],
39    ['About This', proc{puts('Ruby/Tk menubar sample 3')}, "This"]]
40                                      # use string index for underline position
41]
42
43layout_proc = 'vertical'
44# The following procedure is same to 'layout_proc'=>'vertical'
45=begin
46layout_proc = proc{|parent, mbtn|
47  mbtn.direction :right
48  mbtn.pack(:side=>:top, :fill=>:x)
49
50  menu = mbtn.menu
51  cmd = proc{|m, dir|
52    Tk::Menu::TkInternalFunction.next_menu(m, dir) rescue nil
53    # ignore error when the internal function doesn't exist
54  }
55  menu.bind('Tab', cmd, :widget, 'forward')
56  menu.bind('Alt-Tab', cmd, :widget, 'backward')
57}
58=end
59
60menubar = TkMenubar.new(nil, menu_spec,
61                        'layout_proc'=>layout_proc,
62                        'tearoff'=>false,
63                        'foreground'=>'grey40',
64                        'activeforeground'=>'red',
65                        'font'=>'Helvetia 12 bold')
66menubar.pack('side'=>'left', 'fill'=>'y')
67
68TkText.new(:wrap=>'word').pack.insert('1.0', 'This sample script generates "Menu Sidebar".
69If "::tk::MenuNextMenuon" function is available  your Tcl/Tk library, you will be able to move to the next menu by Tab key on the posted menu, or the previous menu by Alt + Tab key.
70Please read the sample source, and check how to override default configure options of menu entries on a menu_spec. Maybe, on windows, this menubar does not work properly about keyboard shortcuts. Then, please use "menu" option of root/toplevel widget (see sample/menubar3.rb).')
71
72Tk.mainloop
73